Search and trace US federal rules across the Federal Register (proposed/final rules and notices), the eCFR (codified, point-in-time CFR full text, locally mirrored), and Regulations.gov (rulemaking dockets and public comments) via MCP. STDIO or Streamable HTTP.
Drift inferred · capture-to-capture
No drift recorded — single capability capture; advisories appear once its surface changes.
tools
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include_full_text
inlines the document body as plain text; default false returns the body URLs only (final rules can run tens of thousands of words)
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regulations_browse_cfr
eCFR
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regulations_find_comments
Regulations.gov
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regulations_get_cfr_section
eCFR
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regulations_get_docket
Regulations.gov
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regulations_get_document
Federal Register
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regulations_list_open_comments
Federal Register (+ Reg.gov enrich)
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regulations_search_rules
Federal Register
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search
mode runs a full-text query across the codified CFR and returns matching sections with their hierarchy path and a snippet
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structure
mode walks the CFR tree (all 50 titles, or one title's chapters → parts → sections) to discover a cite when the exact citation is unknown
last analysis: no-source
No code evidence — the analyzed source reached for no tracked permissions, tools, or hooks.